Datasheet Texas Instruments TPS65581PWPR — 数据表

TPS65581
www.ti.com SLVSC38B – OCTOBER 2013 – REVISED DECEMBER 2013 4.5V to 18V Input 1.5A, 2.5A, 1.5A Triple Synchronous Step-Down Converter
Check for Samples: TPS65581 FEATURES APPLICATIONS 1 23 Advanced D-CAP2в„ў Control Mode
– Fast Transient Response
– No External Parts Required For Loop
Compensation
– Compatible with Ceramic Output
Capacitors
Wide Input Voltage Range : 4.5 V to 18 V
Output Voltage Range : 0.76 V to 7 V
Highly Efficient Integrated FETs Optimized for
Low Duty Cycle Applications
– 160 mΩ (High Side) and 130 mΩ (Low Side)
for 2.5A
– 250mΩ (High Side) and 230mΩ (Low Side)
for 1.5A
High Initial Reference Accuracy
Low-Side RDS(on) Loss-Less Current Sensing
Fixed 1.2 ms Soft Start
Non-Sinking Pre-Biased Soft Start
700 kHz Switching Frequency
Cycle-by-Cycle Over-Current Limiting Control
OCL, OVP, UVP, UVLO, TSD Protections …